• based on the inlet-outlet condition
  • sets the turbulent dissipation rate based on the patch turbulence kinetic energy and user-supplied mixing length
\[\epsilon_p = \frac{C_{\mu}^{0.75} k^{1.5}}{L}\]
  • in the event of reverse flow, a zeroGradient condition is applied, i.e.
\[\frac{d \epsilon}{d x} = 0\]


The condition is specified in the field file using:

    type            turbulentMixingLengthDissipationRateInlet;
    mixingLength    1;
    value           <field value>;

    // Optional entries
    k           k;
    phi         phi;

Further information

Source code: